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M
1.2W Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
9
EXITING SHUTDOWN
(HEADPHONE MODE)
MAX9770 toc40
2
μ
s/div
2V/div
SHDN
OUT_
10mV/div
R
L
= 32
ENTERING SHUTDOWN
(HEADPHONE MODE)
MAX9770 toc41
2
μ
s/div
2V/div
SHDN
OUT_
10mV/div
R
L
= 32
0
2
6
4
8
10
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
2.5
4.5
3.5
5.5
SPEAKER MODE
HEADPHONE MODE
0
0.1
0.3
0.2
0.4
0.5
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
μ
A
2.5
4.5
3.5
5.5
Typic al Operating Charac teristic s (c ontinued)
(V
DD
= 3.3V, BW = 22Hz to 22kHz, GAIN1 = 1, GAIN2 = 0, spread-spectrum mode, headphone outputs in phase.)
Pin Desc ription
PIN
TQFN
1
2
3
4
5
6
TSSOP
4
5
6
7
8
9
NAME
FUNCTION
BIAS
V
DD
HPOUTR
HPOUTL
SV
SS
HPS
Common-Mode Bias Voltage. Bypass with a 0.047μF capacitor to GND.
Power Supply
Right-Channel Headphone Output
Left-Channel Headphone Output
Headphone Amplifier Negative Power Supply
Headphone Sense Input
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9770EUI+ | 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9770EUI+T | 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9770EVKIT | 功能描述:音頻 IC 開發(fā)工具 Programmers, Development Systems RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX9772EBA | 制造商:Maxim Integrated Products 功能描述:1.2WLOW-EMIFILTERLESSMONO CLASS - Rail/Tube |
| MAX9772EBA-T | 制造商:Maxim Integrated Products 功能描述:1.2W,LOW-EMI,FILTERLESS,MONO CLASS D AMP. W S - Tape and Reel |
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